Flame atomic absorption spectrometry method was used to determine the samples of Soy Sauce which had been already separated and preconcentrated by coprecipitation with Bismuth Nitrate.
对酱油样品经硝酸铋的共沉淀分离富集后用火焰原子吸收法进行测定。
2
Acrylic resin is diluted in ethyl acetate and the remnant monomer is well separated from it by gas chromatography and is quantificationally measured by hydrogen flame ionization detector (FID).